Stabilization of chlorinated aliphatic hydrocarbons
AssigneeImperial Chemical Industries PLC
InventorChristopher S. Allen
Life of this patent
Estimating the term…
Abstract
Trichloroethylene, perchloroethylene or methylene dichloride is stabilized with an epoxy alkyl ester which is derived from a carboxylic acid containing from 5 to 22 carbon atoms and from an alcohol containing from 3 to 12 carbon atoms.
Claims12
A method of degreasing metal and other articles which comprises bringing the articles into contact with a solvent selected from the group consisting of trichloroethylene, perchloroethylene and methylene chloride in the vapor phase wherein said solvent has been stabilized with a stabilizing amount of an epoxy alkyl ester which is derived from a carboxylic acid containing 5 to 22 carbon atoms and from an alcohol containing 3 to 12 carbon atoms.
Dependencies are inferred from the claim text.